Dedham, MA Demographics

A map of Dedham's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	19,878	19,775	78.8%	78.0%
Hispanic	1,998	2,125	7.9%	8.4%
Black	1,623	1,501	6.4%	5.9%
Multiracial	962	825	3.8%	3.3%
Asian	716	951	2.8%	3.7%
Native American/Other	60	187	0.2%	0.7%

Dedham, Massachusetts has an estimated population of 25,237, a less than 1% change from the 25,364 recorded in the 2020 Census. The population is 78.8% White, 7.9% Hispanic, 6.4% Black, 3.8% Multiracial, 2.8% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Dedham, with one dot drawn for each person counted by the Census, color-coded by race.

Dedham has become less racially diverse since the 2020 Census. It is considerably less diverse than Massachusetts overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Dedham, that probability was 37.9% in 2020 and 36.7% in the most recent ACS estimates.

Dedham is ranked the 64th most populous place in Massachusetts, out of 248 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Dedham was ranked the 64th most populous place in the 2020 Census.

Dedham's White Population

19,878 residents of Dedham, or 78.8% of the population, identify as White. The share of White residents in Dedham is considerably higher than in Massachusetts overall, where 66.6% of the population is White. Dedham ranks 174th statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Dedham's White population has remained roughly the same. White residents' share of Dedham's population has increased from 78.0% to 78.8%.

Dedham is more White than neighboring Norwood (68.6% White), Brookline (64.1% White), Newton (68.4% White), and Milton (69.7% White). Dedham is less White than neighboring Needham (80.8% White).

Dedham's Black Population

1,623 residents of Dedham, or 6.4% of the population, identify as Black. The share of Black residents in Dedham is comparable to the share in Massachusetts overall, where 6.4% of the population is Black. Dedham ranks 29th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Dedham's Black population has grown by an estimated 8.1%. Black residents' share of Dedham's population has increased from 5.9% to 6.4%.

Dedham is more Black than neighboring Needham (1.5% Black), Brookline (3% Black), and Newton (2.4% Black). Dedham is less Black than neighboring Norwood (6.7% Black), and Milton (16.1% Black).

Dedham's Asian Population

716 residents of Dedham, or 2.8% of the population, identify as Asian. The share of Asian residents in Dedham is slightly lower than in Massachusetts overall, where 7.3% of the population is Asian. Dedham ranks 66th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Dedham's Asian population has declined by an estimated 24.7%. Asian residents' share of Dedham's population has decreased from 3.7% to 2.8%.

Dedham is less Asian than neighboring Norwood (6.7% Asian), Needham (9.9% Asian), Brookline (19.3% Asian), Newton (17.4% Asian), and Milton (5.6% Asian).

Dedham's Hispanic Population

1,998 residents of Dedham, or 7.9% of the population, identify as Hispanic. The share of Hispanic residents in Dedham is lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Dedham ranks 49th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Dedham's Hispanic population has declined by an estimated 6.0%. Hispanic residents' share of Dedham's population has decreased from 8.4% to 7.9%.

Dedham is more Hispanic than neighboring Needham (3.6% Hispanic), Brookline (6.2% Hispanic), Newton (4.5% Hispanic), and Milton (3.2% Hispanic). Dedham is less Hispanic than neighboring Norwood (10% Hispanic).

Dedham's Native American/Other Population

60 residents of Dedham, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dedham is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Dedham ranks 148th statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Dedham's Native American/Other population has declined by an estimated 67.9%. Native American/Other residents' share of Dedham's population has remained roughly unchanged at 0.2%.

Dedham is less Native American/Other than neighboring Norwood (2.7% Native American/Other), Needham (0.7% Native American/Other), Brookline (0.6% Native American/Other), Newton (1.8% Native American/Other), and Milton (0.7% Native American/Other).

Dedham's Multiracial Population

962 residents of Dedham, or 3.8% of the population, identify as Multiracial. The share of Multiracial residents in Dedham is comparable to the share in Massachusetts overall, where 5.1% of the population is Multiracial. Dedham ranks 188th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Dedham's Multiracial population has grown by an estimated 16.6%. Multiracial residents' share of Dedham's population has increased from 3.3% to 3.8%.

Dedham is more Multiracial than neighboring Needham (3.4% Multiracial). Dedham is less Multiracial than neighboring Norwood (5.4% Multiracial), Brookline (6.8% Multiracial), Newton (5.5% Multiracial), and Milton (4.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.